0 like 0 dislike
3.4k views
正三角形的面積公式是[4分之根號3乘a平方],請設計一個程式,讓使用者輸入正三角形的邊長,然後輸出正三角形的面積,輸出時請輸出並四捨五入到小數點後兩位。

範例輸入:

8

範例輸出:

21.71
[Normal] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 13422 - Available when: Unlimited - Due to: Unlimited
3 flags | 3.4k views
0 0
Called for Help

35 Answers

0 like 0 dislike
Hidden content!
#include * * *** *
** * * * * ** **
* * ** ** ** ***



int main()

{
** * ** *** a,A;
* * * ** * *** * * * *** ** * **


** ** ** *** *** = sqrt(3) / 4 *a*a ;
** * ** *** * ** *** ** * *** * * *



}
answered by (-162 points)
0 like 0 dislike
Hidden content!
#include ** *** * * * *
*** ****** * * *
*** **** * ** **



int main()





{
* * * * ** ******** ** **  a;


*** * ** ** * * **** ** * * ** ** ***** * * ***


* * * * * * * * * ** ** * ** * ** **** *


* *** * *** * *** * * * * * * 0;



}
answered by (-85 points)
0 like 0 dislike
Hidden content!
* *** **** *



int * **

{
* * ** * ** * ** n, A;


* * * * * ** ** * * ** ** * * ** , * * ***
* * *** *** * = 1.732 * n * n / 4;
* * * * * * * * * * *** * , A);



}
answered by (-90 points)
0 like 0 dislike
Hidden content!
***** ** ** * *



int

{
* **** ** * ** ** ** n, A;


** * ** * *** ** * ** * * * , * ** *
** * * ** = 1.73 * n * n / 4;
**** * * ***** * * ** ** ** * , A);



}
answered by (-90 points)
0 like 0 dislike
Hidden content!
** **** * **** * *



int main()

{
** *** * * * n, A;


* ** **** **** * * ***** , ** * *
* * *** *** *** ** = 1.73 * n / 4;
** **** ** * ** ********* * * , ***



}
answered by (-90 points)
0 like 0 dislike
Hidden content!
* * * * * * *



int main()

{
* **** * ** n, A;


*** * ** ** * ** *** , *
* ** * **** ** * = 1.732 * n / 4;
** * ** ***** * * **** * ** * ** , *



}
answered by (-90 points)
0 like 0 dislike
Hidden content!
* ***** * *** ** *



int main()

{
*** * * ** ** **** * n, A, k;


* ** ** * * * * ***** * * ****** , * * ** *
** ** *** ** *** = k * k;
** *** ****** = k * n / 4;
* * * * * * ** *** *** ** * * * , ********



}
answered by (-90 points)
0 like 0 dislike
Hidden content!
#include * * ** ** ** *

#include ** * **** *



int main()

{
* ** * * ***** * * **** i;
* * * **** *** * * **** area;
** ** * * * *** * * ** * ** * * * ** ***


** * ** * * ***** * = (1.732/4) * i * i;




** ******** ** ** **** * **** ** ** * ** **
* * * ** ** ** ** 0;

}
answered by (-114 points)
0 like 0 dislike
Hidden content!
#include * **** *

#include * **** * * * *



int main()

{
***** * * ***** ***** i;
**** * * *** **** * ** * area;
* * * * ** *** *** *** * *** * * **** * *


* ****** ** ** * = (1.73/4) * i * i;




* ** * * ********* ** * ** ** ** * * *
*** * ******** * * *** * * ** 0;

}
answered by (-114 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * * *** **** ** *

#include <math.h>

int main()

{
*** ** * * *** * ** ** a,b;
*** ***** * ****** ** * **
******** ******** ** * * **** ** *** * *
* *** * ** * ** **** *** * * * *
* * *** ** **** * * * ** **** * ***
****** ** * *** ** ** *
** *** * ** *** ** * * *** *** * *
* ** ** ** ** * *** 0;

}
answered by (-124 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.179.203
©2016-2025

Related questions

0 like 0 dislike
43 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13025 - Available when: Unlimited - Due to: Unlimited
| 4.3k views
0 like 0 dislike
49 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13023 - Available when: Unlimited - Due to: Unlimited
| 5.2k views
0 like 0 dislike
39 answers
[Normal] Coding (C) - asked Oct 11, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 13020 - Available when: Unlimited - Due to: Unlimited
| 4k views
0 like 0 dislike
7 answers
[Exercise] Coding (C) - asked Oct 27, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 15399 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00
| 1.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users